package collection;

import java.util.ArrayList;
import java.util.List;

public class ListDemo2 {
    public static void main(String[] args) {
        List<String> list = new ArrayList<>();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");
        list.add("five");
        System.out.println("list:"+list);


        list.add(2,"six");
        System.out.println("list:"+list);


        //若add()时下标为最后一个元素的下一个位置，则当追加操作
        list.add(6,"seven");
        System.out.println("list:"+list);



        list.remove(3);
        //String s = list.remove(3);
        //System.out.println(s);
        System.out.println("list:"+list);














    }
}
